FLUX.1 Kontext [dev] Black Forest Labs vs FLUX.2 [klein] 4B Black Forest Labs

FLUX.1 Kontext [dev]

• + Excellent representation of materials with realistic light reflections on the blue sphere.
• + The plant is clearly visible through the glass cube as requested.
• + High visual fidelity in textures, especially the wood grain and paper edges.

• − The book is slightly too large for the cube's top surface, creating a less balanced composition.

FLUX.2 [klein] 4B

• + Perfect spatial logic with the book dimensions matching the top of the cube exactly.
• + Subtle, realistic lighting that accurately captures the 'soft window light' from the left.
• + Clean and minimalist composition that feels very intentional.

• − The plant in the background is less visible through the glass compared to Model A.
• − The sphere has less detailed specular highlights.

FLUX.1 Kontext [dev]

• + Excellent character likeness and facial detail
• + Vibrant colors on the red bicycle
• + Clean composition with good street depth

• − The subject is posing with the bike rather than repairing it
• − Background cars are static and lack the requested motion blur
• − Rain effect looks like a simple overlay filter

FLUX.2 [klein] 4B

• + Stronger adherence to the 'repairing' action in the prompt
• + More realistic skin texture and candid lighting
• + Better integration of the rain effect and wet pavement reflections

• − Structural issues with the bicycle frame near the pedals
• − The subject's hands are slightly muddy in detail
• − The background cars are too sharp for the requested motion blur

FLUX.1 Kontext [dev]

• + Atmospheric use of warm torchlight and high-contrast shadows
• + Exquisite detail on the engraved plate armor
• + Strong cinematic composition and depth of field

• − Failed to include the specific prompt instruction for braided hair with beads
• − The leather straps are less visible compared to the other model

FLUX.2 [klein] 4B

• + Excellent adherence to the 'braided hair with small beads' instruction
• + Visible leather straps and cloth underlayer textures as requested
• + Includes visible torches that explain the lighting source

• − The lighting is a bit flat compared to Model A's dramatic atmosphere
• − The skin texture lacks some of the 'dirt' and grittiness requested, appearing a bit clean despite the scars

FLUX.1 Kontext [dev]

• + Excellent typography rendering with clean, bold sans-serif fonts.
• + Strong adherence to the grid layout request.
• + High-quality, realistic food photography that looks professional.

• − Text content is nonsensical gibberish.
• − The layout is a bit repetitive with the 'Lgannfog' text blocks.

FLUX.2 [klein] 4B

• + Successfully includes pricing columns which feels more like a real menu.
• + Good variety of food shapes and vibrant colors.
• + Captures the 'casual dining' vibe well with a structured header and logo area.

• − The bold fonts are slightly stylized/rounded, missing the requested 'clean bold sans-serif' look.
• − The image grid has inconsistent spacing and some overlapping issues.
• − Text is highly garbled and unreadable even for a mock-up.

FLUX.1 Kontext [dev]

• + Excellent primary title rendering with clean typography
• + Coherent composition with strong vertical balance
• + Great use of the fiery background elements including coals and embers

• − Failed to create an 'exploded' burger, showing a fully assembled one instead
• − Typographical error in 'ONLY' which is rendered as 'LNHLY'
• − Graphic style of the starburst feels flat compared to the rest of the image

FLUX.2 [klein] 4B

• + Successfully rendered the price starburst with the requested fiery, glowing effect
• + Higher realism in the food textures尤其是 the patty and bun
• + Included all required text elements correctly with no spelling errors

• − Major typographical distortion in the main title rendering it illegible
• − Failed to depict an 'exploded' burger, showing an assembled double stack instead
• − The sparks look somewhat generic and repetitive

FLUX.1 Kontext [dev]

• + Excellent depiction of chalk texture and weight.
• + Captures the 'cozy café' atmosphere with warm lighting.
• + The handwriting style is very realistic and varied.

• − Significant spelling errors and word repetitions (e.g., 'Mashroom', 'with with', 'Octpus').
• − The date rendering is garbled and unreadable.

FLUX.2 [klein] 4B

• + Successfully rendered the full date 'APRIL 30, 2026' correctly.
• + The handwriting is consistent and legible across the entire board.
• + Includes realistic chalk smudges and dust on the board surface.

• − Several spelling errors in the menu items (e.g., 'Truffel', 'Musheram', 'Ootrpous', 'Brawn').
• − The spacing in the title 'TODAY'S S PECIALS' is awkward.

FLUX.1 Kontext [dev]

• + Excellent adherence to the 'horse on top' spatial instruction
• + High quality facial details and skin textures
• + Strong cinematic lighting and clean composition

• − The horse’s legs and anatomy are slightly distorted where they meet the astronaut's back
• − Floating orbs in the background appear a bit repetitive

FLUX.2 [klein] 4B

• + Beautiful background with rich galactic colors and nebula details
• + Good anatomical correctness of the horse

• − Failed the primary prompt instruction by placing the astronaut on top of the horse
• − The astronaut's face/eyes within the helmet are poorly rendered
• − Standard interpretation lacking the requested surrealism

FLUX.1 Kontext [dev]

• + Excellent photorealistic lighting and skin textures.
• + Captures a very professional and calm capybara expression.
• + Better integration of the clothing on the capybara's frame.

• − Only one paw is on the steering wheel instead of both front paws.
• − The businesswoman looks a bit too concerned/alert rather than bored.

FLUX.2 [klein] 4B

• + Strict adherence to the 'both front paws on the steering wheel' instruction.
• + The passenger perfectly captures the 'bored' and 'normal' expression.
• + Composition clearly identifies the front and back seat separation.

• − The scale of the capybara relative to the steering wheel feels slightly off.
• − The capybara's texture is slightly more painterly than photorealistic.

FLUX.1 Kontext [dev]

• + Excellent large-scale text legibility for the main title.
• + Clean border layout following the thorn and web prompt.

• − Internal banner text is gibberish and poorly rendered.
• − Lacks a moody night sky and atmospheric background, feeling a bit flat.
• − Spelling errors in the location name and date format.

FLUX.2 [klein] 4B

• + Beautiful atmospheric mood with twisted trees, foggy sky, and cinematic lighting.
• + Includes the requested scroll banner with legible text.
• + Border more accurately reflects the requested 'webs and thorns' combination.

• − The main title text has several spelling errors and character artifacts.
• − Minor spelling errors in the date and labels at the bottom.
• − Some fine detail artifacts in the cobweb textures.

FLUX.1 Kontext [dev]

• + Successfully added thick hair that blends well with existing sideburns.
• + Maintained the overall lighting and color palette of the image.

• − Failed to preserve facial features, significantly altering the man's eye shape, nose, and glasses.
• − The hair texture appears slightly overly groomed and digital compared to the original image's grit.

FLUX.2 [klein] 4B

• + Excellent preservation of the original person's facial features and glasses.
• + Realistic, messy hair texture that perfectly matches the established aesthetic of the beard and environment.
• + Perfectly blended hairline and integration with the original head shape.

• − None notable; it followed all instructions and constraints perfectly.

FLUX.1 Kontext [dev]

• + Excellent typography rendering with bold, clear text.
• + Perfectly captures the 'cartoon miniature' aesthetic with soft, clay-like textures.
• + Very balanced and clean composition on a diorama base.

• − The flag icon is stylized and abstract rather than a clear Japanese flag.
• − The sushi design is oversimplified, looking more like a toy than a food item.

FLUX.2 [klein] 4B

• + High-quality PBR materials with realistic subsurface scattering on the fish and rice.
• + Captures the isometric 45° angle perfectly.
• + Followed the request for a small plate and minimal garnish beautifully.

• − Typos in the text; it reads 'SUSH' followed by a flag icon instead of 'SUSHI'.
• − The flag icon resembles the flag of Austria or Latvia rather than Japan.
• − The layout is less centered vertically than requested.

FLUX.1 Kontext [dev]

• + Maintains the subject's casual denim outfit from the source image.
• + Captures a distinct pop-art caricature style.
• + Includes a clear representation of a dog.

• − Fails to include any hockey elements.
• − The TV anchor component is represented by a small, basic computer monitor rather than a studio.
• − Text generation is messy and nonsensical.

FLUX.2 [klein] 4B

• + Successfully incorporates the TV anchor desk/studio setting and multiple dogs.
• + Excellent facial caricature that captures the essence of the subject with humorous exaggeration.
• + Includes hockey motifs on the background screens.

• − Changes the subject's outfit from casual denim to a formal news suit, losing some source preservation.
• − The hockey integration is subtle within the background graphics rather than being a primary 'prop'.

FLUX.1 Kontext [dev]

• + Energetic composition with dynamic poses including running and jumping.
• + Beautiful golden hour lighting that feels warm and cohesive.

• − Failed to include the fox kit and baby bunny as requested in the prompt.
• − Anatomical oddity on the kitten's front right leg which appears to have too many toes.

FLUX.2 [klein] 4B

• + Better adherence to the prompt by including the fox kit and multiple kittens.
• + Excellent use of god rays and lighting to create a dreamlike, masterwork quality.
• + Superior fur texture and detail on the animals' faces.

• − Failed to include the baby bunny.
• − The composition is a bit crowded with two kittens instead of the requested diverse mix.

FLUX.1 Kontext [dev]

• + Excellent preservation of the original pose and facial expressions.
• + Clean line art and vibrant colors that mimic modern anime styles.
• + High clarity and structural consistency with the source image.

• − Lacks the requested hand-painted, soft texture characteristic of Studio Ghibli.
• − The lighting is flat and digital rather than reflecting a 'dreamy' mood.

FLUX.2 [klein] 4B

• + Perfectly captures the Studio Ghibli aesthetic with soft pastel colors and watercolor textures.
• + Successfully transforms the background into a dreamy, hand-painted landscape while maintaining the original layout.
• + Lighting feels nostalgic and gentle as requested.

• − Loss of the specific 'shocked' expression on the woman on the right.
• − The character features are slightly more generic compared to the original subjects' faces.

FLUX.1 Kontext [dev]

• + Excellent preservation of the original woman's identity and facial features.
• + Subtle and natural-looking wind effect in the hair.
• + Maintains very high coherence with the source background and lighting.

• − The flying leaves are very sparse, with only about three tiny green specks visible.
• − Misses the 'energetic and lively' feel by being too conservative with the edits.

FLUX.2 [klein] 4B

• + Stronger adherence to the 'flying leaves' instruction with a high density of leaves.
• + Effective flow and movement in the hair.
• + Adds a more noticeable sense of 'dynamic motion' as requested.

• − Slight alteration to the woman's facial features compared to the source image.
• − Some leaves appear flat or poorly integrated into the 3D space of the scene.

FLUX.1 Kontext [dev]

• + Perfect text rendering with correct spelling
• + Clean and crisp vector-style lines
• + Effective minimalist aesthetic

• − Missed the 'banner' element for the date
• − The cloche dome looks more like a building dome or a crown
• − Very little texture present

FLUX.2 [klein] 4B

• + Included the banner and subtle paper texture requested
• + The cloche dome is clearly recognizable as a food cover
• + Classic typography fits the vintage theme well

• − Misspelled the name as 'FLAXTION'
• − Duplicated the foundation date
• − Graphic lines on the banner are slightly messy and inconsistent

FLUX.1 Kontext [dev]

• + Strong adherence to the requested color palette
• + Good vector-style abstract icons
• + Clearer typography on the main title

• − Extreme spelling errors and garbled text throughout the steps
• − Icons do not clearly represent the specific lunar mission steps requested
• − Messy layout with overlapping text and icons

FLUX.2 [klein] 4B

• + Better overall composition and infographic layout
• + Icons more closely represent the requested items like Earth, orbit, and the Lunar Module
• + Successfully included specific names like 'Aldrin' and 'Collins'

• − Major typos in the main title ('APLLO 1UT 1J')
• − The Saturn V rocket design is structurally incorrect and looks like a generic missile
• − Included green in the color palette which was not requested